Severe Thunderstorm Warnings

Thunderstorm Warning(s) in force for:

None

No Thunderstorm Warning in force for:

Auckland Radar Area, Bay of Plenty Radar Area, Gisborne / Hawke's Bay Radar Area, Taranaki Radar Area, Wellington Radar Area, Canterbury Radar Area, Westland Radar Area, Southland Radar Area

MetService uses the following criteria for severe thunderstoms in New Zealand:

Heavy rain (from thunderstoms): Rainfall of 25 millimetres per hour, or more.

Large hail: Hailstones 20 millimetres in diameter, or larger.

Strong wind gusts (from thunderstorms): Gusts of 110 kilometres per hour (60 knots) or stronger.

Damaging tornadoes: Fujita F1 (wind speeds greater than 116 kilometres per hour (63 knots)) or stronger.

Note: some tornadic systems such as funnel clouds, waterspouts and small land-based tornadoes are possible with thunderstorms that may not be classified as severe.